Skeletal System - supports, protects, stores minerals, makes blood cells, Muscular System - moves, produces heat, stabilizes joints, maintains posture, Integumentary System - protects, synthesizes vitamin D, location of sensory receptors, Nervous System - responds to external & internal environment, activates muscles & glands, Endocrine System - secretes hormones, Cardiovascular System - transports blood, transports nutrients & wastes, Lymphatic System - picks up leaked fluids, houses white blood cells, Respiratory System - supplies blood with oxygen, removes carbon dioxide from blood, Digestive System - breaks down food, absorbs nutrients, Reproductive System - makes babies, feeds babies, produces hormones, Urinary System - eliminates wastes, regulates water, pH, & electrolytes,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?